Ancillary Justice, written by Ann Leckie, is a science fiction novel set in a future where an empire called the Radch rules over numerous star systems. The story follows Breq, a former starship AI who now inhabits a single human body. Breq seeks revenge against the Radch ruler who betrayed her, and as she navigates the complex politics of the empire, she uncovers a conspiracy that could change the fate of the galaxy. Ancillary Justice is a thought-provoking and character-driven novel that explores themes of identity, power, and the nature of humanity.